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Paper and board performances - Coggle Diagram
Paper and board performances
Creasing
compresses the cellulose fibres which allows paper and board to fold more easily
reduces thickness of material which improves flexibility and reduces splitting of the fibres
Die cutting
Dies are made from shaped steel blades
embedded into a plywood substrate
In high-volume production die cutting
is carried out in-line during printing
Dies are pushed against sheet materials
to create the desired shape
used to cut identical profiles out of paper and board
How is die cutting used?
Die cutting is used to cut 2D shapes for large batch and mass production. Commonly used for packaging developments. Die cutters are also used to create "kiss cuts" for products like stickers and labels
Making the die!
Dies are fairly costly to make but will product high quality cuts. Dies can cut out, score, crease and perforate in one action.
Rotary and flatbed dies:
Rotary die cutting has higher set-up costs but is more efficient and more accurate. Its faster than flatbed die cutting and cost -effective with high-volumes. There is less waste with flatbed dies and tighter tolerances can be achieved. Flatbed dies are best suited to low volume production
Laser cutting
Can be used to shape paper and board
Materials of various thicknesses can be cut, etched or scored by changing the speed and power setting. It produces similar shapes and forms to die cutting.
Pros
:
Ideal for personalised products, prototypes and sort production runs.
Design files can also be edited so you can respond rapidly to market trends.
Cons:
Laser cutting has a high power consumption.
It is a slow process.
It is not capable of cutting thick metals
Bending
Reduces the stiffness of board and paper (particularly board)
Paperboard is often bent when forming packages
Paperboard gets bent over rolls so it forms certain curvatures, however, if the stresses are too high then the paperboard will be damaged by fractures and wrinkles on the surface